45224865 has 32 divisors (see below), whose sum is σ = 91887360. Its totient is φ = 20673792.

The previous prime is 45224849. The next prime is 45224867. The reversal of 45224865 is 56842254.

It is a happy number.

It is not a de Polignac number, because 45224865 - 2⁴ = 45224849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45224867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22984 + ... + 24873.

It is an arithmetic number, because the mean of its divisors is an integer number (2871480).

Almost surely, 2^45224865 is an apocalyptic number.

45224865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45224865 is an abundant number, since it is smaller than the sum of its proper divisors (46662495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45224865 is a wasteful number, since it uses less digits than its factorization.

45224865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47878 (or 47872 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 45224865 is about 6724.9434941864. The cubic root of 45224865 is about 356.2808062003.

The spelling of 45224865 in words is "forty-five million, two hundred twenty-four thousand, eight hundred sixty-five".